{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "cell line", "protein", "RNA", "DNA"], "input": "This study examines the regions of the HIV promoter required for HHV-6 transactivation in a heterogeneous population of primary human T lymphocytes with or without antigenic stimulation ."}
{"cell type": ["primary human T lymphocytes"], "cell line": [], "protein": [], "RNA": [], "DNA": ["HIV promoter"]}